Best SMTP Servers in 2021

Are you looking for the finest SMTP server online? This may be the finish of your search. This list highlights the top SMTP server softwares and their relative performance. An SMTP Server permits you to post reliable emails from a site’s users.

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These servers are configured to ensure that your emails reach their inboxes. Instead of ending up in the trash,

Pabbly Email Marketing

pabbly email marketing

Pabbly Email Marketing offers the cheapest SMTP servers on the internet. It allows you to use other SMTPs and provides the option of using its SMTP server.  SMTP routing is available from Pabbly Email Marketing. This feature allows you switch between multiple SMTPs to improve deliverability.

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It has SMTP and all the advanced features required for email marketing. Drag & Drop interface, campaign analytics, and reports, complete list management, email templates, and advanced personalization are just a few of the features.


Marketing Automation: This allows you to create infinite conditions and triggers for highly customized customer experiences.

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Autoresponders: participate your users with a well-planned self-operated email flow. This service allows you to send fully customizable emails based on contact property.

MX Cleaner is an advanced option that can reduce bounce rates. This functionality allows you to extract bad emails from your email list that could cause bounce.

Email Tracking: Pabbly Email Marketing offers individual reports for each email campaign. You can monitor which spam messages were opened and clicked by your visitors, as well as their locations.

Automatic Resend: This tool helps to increase the open rate 2X. It automatically sends a follow-up email for non-opens.

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Subscription Forms: This service permit you make subscription forms and gather more leads for your platform.


You can send unlimited emails with 20+ amazing features that are included in every plan, except the free one. The price of a subscription is the only determinant.

Forever Free: This plan allows you to send 12K emails and reach approximately 1.1K subscribers for absolutely nothing.

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Rookie: For sending emails to 5K subscribers, the Rookie plan costs $29/month.

Pro: This plan is similar to a standard plan and suits most buyers.There is a limit to 15K subscribers. However, you can still send emails for $49/month.

Advance: Advance plans of Pabbly Email Marketing allow for flexible numbers of subscribers. The monthly cost for 50K subscribers is $99-$1599.



SendinBlue offers an SMTP server that you can use for your email marketing campaigns. This service can be used as an independent by the provider. It includes all the features of an SMTP server.

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Email templates: Sendinblue offers 10+ pre-designed email templates. These templates can be easily edited to your liking, and you can use them immediately.

Facebook Ads: It is possible to also create Facebook Ads and set parameters. You can also track your Ads.

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Segmentation: Multiple lists can be created based on the target audience to increase engagement.


SendinBlue offers five plans that are based on the features included in each plan.

Free: This plan is free and allows you to send 300 emails per calendar day to unlimited people.

Lite: For $25, you can send 40K emails per day with all the features and no daily limit.

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Essential: This plan provides all the lite features, including advanced statistics, A/B testing, and removing the Sendinblue logo. For 60,000 emails per month, this plan costs $39

Premium: This plan costs $66 per month for 120K emails. This plan can be chosen based on how many emails you wish to send. All the essential features and additional features, including Facebook ads, landing pages, marketing automation chat, multi-user access, and marketing automation.

Enterprise: This plan offers all of the services for marketers.



Pepipost, a cloud-based SMTP provider, is available. This service can be configured through integration with an email marketing service. This service is for developers and provides good deliverability to your email messages.

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It is simple to use: You just need to copy your credentials into the config file.

SSL and TLS Support: This allows you to protect your content while it is being transmitted.

Tracking: This keeps track of every email for 90 days. It is easy to track the responses and link them back into your system.

Pricing details:

This is a slightly less expensive alternative, and the price depends on how many emails you have.

Lowest plan: Send 150k emails with the lowest plan at $25 per month

Popular Plan: This plan costs $145 to send 600K emails.



Moosend is another SMTP server that ranks high and offers an easy-to-configure service. This service is used by many businesses to send transactional emails.

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List Segmentation : You can create your best-performing lists using Moosend’s filters and various conditions.

Data Analytics: It gives you a complete picture of your email marketing campaigns.
Advanced Personalization: Send highly relevant emails that are based on your past history, apart from “First name” personalization.

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Pricing details:

You can send unlimited emails to approximately 1K customers with the Free plan. Moosend offers various pricing plans, ranging from $10 to $3.65K per 1001-1000K customer limit.



Mailjet is the only white-label option for all SMTP services. It was created in conjunction with its email marketing service.

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Responsive email templates: This displays all of your marketing emails beautifully across multiple devices.

Template Gallery: Choose any template from our extensive library of fully customizable templates to suit your campaign.

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Email Builder: This tool allows you to create and send emails using drag-and-drop.

Pricing details:

Free: You can send 6K emails per month, with a daily limit.

Basic: The basic plan is $9.65 per monthly. You can also access all core features and all of the free features. This plan has a 30K email limit.

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Premium: This plan allows you to send 30K emails and unlock advanced features. This plan will cost $20.95 per month.

Enterprise: If you are a large organization and need all of the features, you can contact the sales team to negotiate the price.


These are the best SMTP servers that have proven to deliver excellent email delivery. You can pick the one that suits your needs best from any of these services.

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